11211012021019 has 8 divisors (see below), whose sum is σ = 11243977446240. Its totient is φ = 11178056246400.

The previous prime is 11211012020987. The next prime is 11211012021023. The reversal of 11211012021019 is 91012021011211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11211012021019 - 2⁵ = 11211012020987 is a prime.

It is a super-2 number, since 2×11211012021019² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11211012028019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82552 + ... + 4735909.

It is an arithmetic number, because the mean of its divisors is an integer number (1405497180780).

Almost surely, 2^{11211012021019} is an apocalyptic number.

11211012021019 is a deficient number, since it is larger than the sum of its proper divisors (32965425221).

11211012021019 is an equidigital number, since it uses as much as digits as its factorization.

11211012021019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4825301.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 11211012021019 in words is "eleven trillion, two hundred eleven billion, twelve million, twenty-one thousand, nineteen".